Question

Write a C++ program to create a class Number, which contain static data member 'cnt' and member function Display()'. Display() should print number of times display operation is performed irrespective of the object responsible for calling Display().

Answer 1

#include <iostream>


using namespace std;
class Number{
    public:
        void display(){
            static int cnt=1;
            cout<<"\nDisplay function is called "<<cnt<<" times"<<endl;
            cnt++;
        }
};
int main()
{
    Number n1,n2;
    n1.display();
    n1.display();
    n2.display();
    n2.display();
    return 0;
}